County Maps US

Muskegon County, Michigan

A county in Michigan, ranked 12 of 83 by population.

CountyFIPS 26121

Within Michigan
Muskegon County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Muskegon, the county seat, located via the 2025 Census Gazetteer.

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Population
177,901
+3,118 (+1.8%) since 2020
Land area
503.9
square miles. A further 65.5% of the total area is water
Population density
353
people per square mile, computed rather than published
County seat
Muskegon
Seat of county government.
Established
1859
166 years ago
Largest city
Muskegon city
Population 37,224.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Muskegon County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Muskegon County, Michigan from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 605 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Muskegon County ranks

Position among the 83 counties of Michigan, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn MichiganNationally
Population177,90112th of 83394th of 3,144
Land area503.9 sq mi70th of 832,062nd of 3,144
Population density353 per sq mi10th of 83384th of 3,144
Median household income$65,02437th of 831,631st of 3,143

Full data for Muskegon County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population177,901Vintage 2025 Population Estimates
Population in 2020174,783Vintage 2025 Population Estimates
2020 estimates base?174,746Vintage 2025 Population Estimates
Land area503.9 sq mi2025 Gazetteer Files
Water area956.1 sq mi2025 Gazetteer Files
Total area1,460 sq mi2025 Gazetteer Files
Population density?353 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$65,024American Community Survey 2020-2024 5-Year Estimates
Median home value$198,300American Community Survey 2020-2024 5-Year Estimates
Median age40.0American Community Survey 2020-2024 5-Year Estimates
Households67,732American Community Survey 2020-2024 5-Year Estimates
Housing units75,266American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-99
1,879 births, 1,978 deaths
Net migration
+768
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Muskegon County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Ottawa CountyMichigan73 mi308,459
Oceana CountyMichigan56 mi27,177
Newaygo CountyMichigan25 mi51,622
Ozaukee CountyWisconsin19 mi94,346
Kent CountyMichigan6.1 mi675,232
Milwaukee CountyWisconsin5.0 mi924,216

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 83 counties of Michigan

Open the interactive Michigan county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.